Chess Puzzle #nuH9w — Expert, Black to move, middlegame

Position

White: king d1; queen c2; rooks a1/h1; bishop f5; knight d4; pawns a2/b2/e3/f2/h3. Black: king g8; queen f6; rook f8; bishops b7/c5; pawns a7/b6/d5/g7/h6. White is ahead by 5 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Bd3 — bishop f5→d3. Now Black to move.
2. Best move: Bxd4 — bishop c5→d4, captures knight. Opponent replies exd4 (pawn e3→d4, captures bishop).
3. Best move: Qf3+ — queen f6→f3, gives check. Opponent replies Kd2 (king d1→d2).
4. Best move: Qxf2+ — queen f3→f2, captures pawn, gives check. Opponent replies Kd1 (king d2→d1).
5. Best move: Qf3+ — queen f2→f3, gives check.

Tactical themes

equality, exposed king, fork, interference, middlegame, very long. The key move Qxf2+ captures with check, forcing a response.

Position data

FEN: 5rk1/pb4p1/1p3q1p/2bp1B2/3N4/4P2P/PPQ2P2/R2K3R w - - 2 23

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